debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/include/crypto/drbg.h
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@@ -105,6 +105,12 @@
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 	struct drbg_string *testentropy; /* TEST PARAMETER: test entropy */
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 };
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+enum drbg_seed_state {
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+	DRBG_SEED_STATE_UNSEEDED,
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+	DRBG_SEED_STATE_PARTIAL, /* Seeded with !rng_is_initialized() */
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+	DRBG_SEED_STATE_FULL,
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+};
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+
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 struct drbg_state {
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 	struct mutex drbg_mutex;	/* lock around DRBG */
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 	unsigned char *V;	/* internal state 10.1.1.1 1a) */
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@@ -127,14 +133,14 @@
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 	struct crypto_wait ctr_wait;		/* CTR mode async wait obj */
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 	struct scatterlist sg_in, sg_out;	/* CTR mode SGLs */
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-	bool seeded;		/* DRBG fully seeded? */
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+	enum drbg_seed_state seeded;		/* DRBG fully seeded? */
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 	bool pr;		/* Prediction resistance enabled? */
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-	struct work_struct seed_work;	/* asynchronous seeding support */
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+	bool fips_primed;	/* Continuous test primed? */
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+	unsigned char *prev;	/* FIPS 140-2 continuous test value */
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 	struct crypto_rng *jent;
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 	const struct drbg_state_ops *d_ops;
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 	const struct drbg_core *core;
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 	struct drbg_string test_data;
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-	struct random_ready_callback random_ready;
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 };
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 static inline __u8 drbg_statelen(struct drbg_state *drbg)
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@@ -182,11 +188,7 @@
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 static inline size_t drbg_max_requests(struct drbg_state *drbg)
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 {
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 	/* SP800-90A requires 2**48 maximum requests before reseeding */
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-#if (__BITS_PER_LONG == 32)
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-	return SIZE_MAX;
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-#else
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-	return (1UL<<48);
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-#endif
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+	return (1<<20);
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 }
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 /*